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Finding the Fourth Proportional to 5,919.69, 8,169.14 and 3,367.46

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Solution

The fourth proportional to 5,919.69, 8,169.14 and 3,367.46 is: 4,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.69 : 8,169.14 = 3,367.46 : x
  2. Step 2: Convert to fraction form
    5,919.69/8,169.14 = 3,367.46/x
  3. Step 3: Cross multiply
    5,919.69x = 8,169.14 × 3,367.46
  4. Step 4: Simplify right side
    5,919.69x = 27,509,194.50
  5. Step 5: Solve for x
    x = 27,509,194.50/5,919.69
  6. Step 6: Final answer
    x = 4,647.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.